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DOT/PHMSA RIN: 2137-AE66 Publication ID: Fall 2018 
Title: +Pipeline Safety: Safety of Hazardous Liquid Pipelines 

This rulemaking would amend the Pipeline Safety Regulations to improve protection of the public, property, and the environment by closing regulatory gaps where appropriate, and ensuring that operators are increasing the detection and remediation of unsafe conditions, and mitigating the adverse effects of hazardous liquid pipeline failures.

Agency: Department of Transportation(DOT)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: No  Unfunded Mandates: No 
EO 13771 Designation: Regulatory 
CFR Citation: 49 CFR 195   
Legal Authority: 49 U.S.C. 60101 et seq.   
Legal Deadline:  None

Statement of Need:

This rulemaking addresses Congressional mandates in the 2011 Pipeline Reauthorization Act (sections 5, 8, 21, 29, 14) and 2016 PIPES Act (sections 14 and 25); NTSB recommendations P-12-03 and P-12-04; and GAO recommendation 12-388. These statutory mandates and recommendations follow a number of high profile and high consequence accidents (e.g., the 2010 Marshall, MI spill of almost one million gallons of crude oil into the Kalamazoo River). PHMSA is amending the hazardous liquid pipeline safety regulations to: (1) extend reporting requirements to gravity lines that do not meet certain exceptions; (2) extend certain reporting requirements to all hazardous liquid gathering lines; (3) require inspections of pipelines in areas affected by extreme weather, natural disasters, and other similar events; (4) require periodic assessments of onshore transmission pipelines that are not already covered under the integrity management (IM) program requirements; (5) expand the use of leak detection systems on onshore hazardous liquid transmission pipelines to mitigate the effects of failures that occur outside of high consequence areas; (6) modify the IM repair criteria, both by expanding the list of conditions that require immediate remediation and consolidating the time frames for re-mediating all other conditions; (7) increase the use of inline inspection tools by requiring that any pipeline that could affect a high consequence area be capable of accommodating these devices within 20 years, unless its basic construction will not permit that accommodation; and (8) clarify other regulations to improve compliance and enforcement. The rule also requires safety data sheets and inspection of pipelines located at depths greater than 150 feet under the surface of the water.

Summary of the Legal Basis:

Congress established the current framework for regulating the safety of hazardous liquid pipelines in the Hazardous Liquid Pipeline Safety Act (HLPSA) of 1979 (Pub. L. 96-129). The HLPSA provided the Secretary of Transportation the authority to prescribe minimum Federal safety standards for hazardous liquid pipeline facilities. That authority, as amended in subsequent reauthorizations, is currently codified in the Pipeline Safety Laws (49 U.S.C. sections 60101 et seq.).


PHMSA proposed alternatives to include offshore and gathering lines in the scope of provisions requiring assessments outside of HCAs and leak detection systems, and revise the repair criteria for pipelines outside HCAs, and evaluated additional regulatory alternatives including no action.

Anticipated Costs and Benefits:

Estimated annualized costs are $18 million. Benefits are presented qualitatively and in terms of breakeven analysis based on reported consequences from past incidents.


These changes will provide PHMSA additional data on pipelines to inform risk evaluation and reduce the probability and consequences of failures through increased inspections, leak detection, and other changes to managing pipeline risks.

Action Date FR Cite
ANPRM  10/18/2010  75 FR 63774   
Comment Period Extended  01/04/2011  76 FR 303   
ANPRM Comment Period End  01/18/2011 
Extended Comment Period End  02/18/2011 
NPRM  10/13/2015  80 FR 61610   
NPRM Comment Period End  01/08/2016 
Final Rule  12/00/2018 
Regulatory Flexibility Analysis Required: Yes  Government Levels Affected: None 
Small Entities Affected: Businesses  Federalism: No 
Included in the Regulatory Plan: Yes 
RIN Information URL:   Public Comment URL:  
RIN Data Printed in the FR: Yes 
Agency Contact:
Cameron H. Satterthwaite
Transportation Regulations Specialist
Department of Transportation
Pipeline and Hazardous Materials Safety Administration
1200 New Jersey Avenue, SE,
Washington, DC 20590
Phone:202 366-8553